Most snails have thousands of microscopic tooth-like shapes on their ribbon-shaped, tongue-like appendage called the radula. Once food gets in their mouth, the snail’s radula rips it up like a ...

Then, the snail uses its toothlike radula to drill a perfectly round hole into the clam, which takes up to four days, as it can only drill about 1/64th of an inch a day. However, the snail speeds ...

Commonly found in coral reefs or hiding in the sand, cone snails have a "harpoon-like" tooth, called a radula, that extends a tube and injects toxic venom. It is used to hunt and paralyze fish and ...